body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0; 
    color: #333;
    line-height: 1.6;
}

.container {
    width: 80%;
    max-width: 960px;
    margin: 20px auto;
    background-color: #ffffff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

header {
    background-color: #333;
    color: #ffffff;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 28px;
}

nav {
    background-color: #444;
    padding: 10px;
    text-align: center;
}

nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

nav li {
    display: inline-block;
    margin: 0 15px;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 30px;
    text-align: left; 
    min-height: 400px;
}

main h2 {
    color: #333;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

footer {
    background-color: #333;
    color: #ffffff;
    padding: 20px;
    text-align: center;
    margin-top: 20px;
}

footer p {
    margin: 5px 0;
}

footer a {
    color: #ffffff;
}